Picture of Furuncle (S. Aureus)

This photo depicts the forehead of a man with furuncle caused by Staphylococcus aureus infection. The lesion has a central abscess, is very swollen, and about to rupture.
Image Source: Fitzpatrick's Color Atlas & Synopsis of Clinical Dermatology Klaus Wolff, Richard Allen Johnson, Dick Suurmond Copyright 2005, 2001, 1997, 1993 by The McGraw-Hill Companies. All Rights reserved.
Text Reference: Journal of Clinical, Cosmetic and Investigational Dermatology, vol. 7, 2014: "Recurrent Furunculosis – Challenges and Management: A Review"
Text Reference: Journal of Clinical, Cosmetic and Investigational Dermatology, vol. 7, 2014: "Recurrent Furunculosis – Challenges and Management: A Review"